Formats
Sachet Packaging: Types, Materials and Uses
Sachet packaging is a small flat pouch sealed on three or four sides for single doses. Learn the types, typical materials, uses and how it differs from a stick pack.
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Performance
Seal Initiation Temperature (SIT): What It Is and How It's Measured
Seal initiation temperature is the lowest sealing temperature at which a heat seal reaches a defined minimum strength. Learn how SIT is measured and used.
Materials
Shrink Film: Types, Properties and How to Choose
Shrink film is an oriented plastic film that tightens around a product when heated. Compare PVC, PETG, POF and PE types and learn how to choose.
Formats
Shrink Wrap Packaging: Overwraps, Bundles and Sleeves
Shrink wrap packaging uses heat-shrinkable film to wrap a product or group of products tightly; here are the main formats and what each suits.
Machine Compatibility
Shrink Wrapping Film: Matching Film to Shrink Wrapping Machines
Shrink wrapping film must suit the sealer and tunnel. See which films fit L-sealers, side sealers and bundlers, seal methods and how to fix common defects.
Formats
Side Gusset Pouch: Structure, Uses and Features
A side gusset pouch has fold-in side panels that expand when filled. Learn back seal options, uses, tin ties, valves and how it compares to flat bottom.
Applications
Snack Packaging Film: Structures, Formats and Machines
Snack packaging film explained: typical BOPP and PET structures, barrier needs, nitrogen flushing, bag formats and the machines that run them.
Formats
Spouted Pouch: Spout Types, Materials and Filling
A spouted pouch is a flexible pouch with a plastic spout fitment for pouring or squeezing. Compare spout and cap types, structures, filling and recycling.
Formats
Stand-Up Pouch: Types, Materials and Features
A stand up pouch has a bottom gusset that lets it stand on shelf. Learn gusset styles, closures, laminate structures and filling considerations.
Machine Compatibility
Stick Pack Film: Materials and Machine Requirements for Stick Packs
Stick pack film is narrow laminate rollstock formed into slim tubes. See structures, sealing, lane slitting, tear notches, COF and machine checks.
Formats
Stick Pack Packaging: Format, Materials and Uses
Stick pack packaging is a narrow single-dose tube with a fin or lap seal and two end seals. See uses, why brands pick it, opening features and how it compares.
Flexible Packaging
Types of Flexible Packaging: Formats, Materials and Constructions
Types of flexible packaging can be sorted by format, material family or construction. Use this guide to match each type to products and narrow your choice.